<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="js/jquery-3.7.1.min.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		
		<input type="text" id="t1" value="123456" />
		<br>
		<button type="button">按钮</button>
		<input type="checkbox" checked="checked"/>复选框
		<!-- <input type="checkbox" checked="checked"/>复选框 -->
		<script type="text/javascript">
			$("button").click(function(){
				$(":checkbox").removeAttr("checked")
			})
		</script>
		
		<div style="color: red;">11111</div>
		
	</body>
</html>
